This workshop service repair manual covers the Clark PWD 30-40SE and HWD30-40SE forklifts. These industrial machines are engineered for demanding material handling applications, offering robust performance and reliability. Their design prioritizes operational efficiency and durability, making them a trusted choice for various warehousing and logistics environments. This comprehensive English-language manual provides detailed guidance for maintaining and repairing your Clark forklift. It includes essential information on periodic servicing, electrical systems such as battery and motor service, drivetrain, brakes, control systems, chassis components, hydraulic systems, and lifting mechanisms. Furthermore, the manual contains truck specifications and wiring diagrams, empowering owners and technicians to ensure optimal performance and longevity.